/* $Id: //depot/blt/include/unistd.h#11 $
**
** Copyright 1998 Sidney Cammeresi
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
** 1. Redistributions of source code must retain the above copyright
**    notice, this list of conditions, and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions, and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
**    derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _UNISTD_H_
#define _UNISTD_H_

#include <blt/types.h>

#ifdef __cplusplus
extern "C" {
#endif

	ssize_t _read (int fd, void *buf, size_t count);
	ssize_t read (int fd, void *buf, size_t count);
	ssize_t _write (int fd, const void *buf, size_t count);
	ssize_t write (int fd, const void *buf, size_t count);
	int _close (int fd);
	int close (int fd);
	
	int _execve (const char *path, char * const *argv, char * const *envp);
	int execve (const char *path, char * const *argv, char * const *envp);
	
	void *_sbrk (int diff);
	void *sbrk (int diff);
	
	extern char *optarg;
	extern int optind, optopt, opterr, optreset;
	int _getopt (int argc, char * const *argv, const char *optstring);
	int getopt (int argc, char * const *argv, const char *optstring);
	
#ifdef __cplusplus
}
#endif


#endif

